22320899 has 8 divisors (see below), whose sum is σ = 23272320. Its totient is φ = 21384000.

The previous prime is 22320871. The next prime is 22320901. The reversal of 22320899 is 99802322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22320899 - 2¹² = 22316803 is a prime.

It is a super-3 number, since 3×22320899³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22320829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434 + ... + 6695.

It is an arithmetic number, because the mean of its divisors is an integer number (2909040).

Almost surely, 2^22320899 is an apocalyptic number.

22320899 is a deficient number, since it is larger than the sum of its proper divisors (951421).

22320899 is a wasteful number, since it uses less digits than its factorization.

22320899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7261.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 22320899 is about 4724.4998677109. The cubic root of 22320899 is about 281.5597434261.

The spelling of 22320899 in words is "twenty-two million, three hundred twenty thousand, eight hundred ninety-nine".